THE NAUTILUS. ij 
EXCHANGES. 
Litiopa striata from Sargasso Sea; Donax Cayennensis ; denticulata; Macrocerramus Klatt- 
eanus; lineatus var. (n. s.) Hayti, fine; Unio Canadensis, etc., etc., all my own collecting. 
Lists exchanged. J. J. BROWN, M. D., Sheboygan, Wis- 
Offered :—Helix nemoralis and Helicina occulta from Rockbridge Co., Va., for shells from. 
other localities. JAS. H. MORRISON, Box 34, Lexington, Va. 
Wanted :—Microscopical Journals and Books, volumes or odd numbers. Offered :—Micro- 
scopical and Natural History Journals, also N. E. Shells and Minerals. L.A. Lee, Brunswick, 
Maine. 
Offered :—Random Notes on Natural History (odd numbers or complete volumes) for Num- 
bers 1 (postal card), 3, 4, and 5 of Vol. 1, and No. 3 of Vol. 2. Conchologists’ Exchange. 
Address, W. D. AVERELL, Mt. Airy, Phila. 
Anodonta suborbiculata Say. 
A few specimens of this rare Shell for sale. - Price 20 cents each. 
Address THOMAS A. WORTHEN, Box 78, Warsaw, IIls. 
JUST OUT.—CONTRIBUTIONS 10 THE MOLLUSCA OF FLORIDA. 
By CHAS. T. SIMPSON. Price 25c., postpaid. 
Nomenclature and Check-List of American Land Shells. 
By H. A. Pilsbry. Price, 1oc., postpaid. 50c. per dozen copies, postpaid. 
Address W. D. AVERELL, - - - - - - - Mt. Airy, Phila 
Cones’ New Key to North American Birds, 
Revised Edition containing a fullaccount o fevery known species, 
8) pages, 56lillustrations. Bound in cloth or flexible leather. $7.50 
Illustrated prospectus for 4c. postage. I. C. Greene, Fitchburg, Mass. 
CALIFORNIA SEA SHELLS 
FOR SALE CHEAP. 
SEND For Prick-List AND SAMPLE COPY OF 
“THE OLD CURIOSITY SHOP.’ 
A Monthly Journal devoted to Science in all its Branches. 
E.M HAIGHT, 2 = iS 
Box 24, Riverside, Cal. 
A Perfect Fountain Pen 
for 75 cents. 
The only Fountain Holder practical with Steel Pens. We guarantee these pens to give 
perfect satisfaction. Sent postpaid on receipt of price. Address, 
W.B. BENSINGER’S SONS, Tamaqua, Pa. 
IW Sa COAST SEE bias: 
By Pror. JostaH Keep, Mills College, California 
A familiar description of the Marine, Fresh-Water and 
Land Mollusks, found in the United States, West of the 
Rocky Mountains. 182 Illustrations, 230 pages. The 
frontispiece is a hand-painted engraving of the very rare 
and beautiful Swrcula Carpenteriana, Gabb. 
To aid in the study of Shells, the pronunciation of the 
Latin names is indicated, and a Glossary, Key, Biographi- 
: cal Index of Naturalists, and a Check List are added. 
Beautifully printed and bound, Price, postpaid, $1.75. 
Helix (Aglaia) fidelis, Gray, Oregon. paren Corea & Co,, Publishers, 208 Post St., San Fran- 
cisco, Cal, 
SS SANS Ss SIIB. = 
Please mention this paper. 
BRN Stish Wists h Jaw Gish sel COvAIN, SCrimaanjaragSsian 
Will hereafter be published by the undersigned. Mr. CHARLES R. ORCUTT of San Diego 
will continue as its editor. 
First issued as a four-page monthly in 1884, this magazine has steadily grown in merit and 
popular favor until it is now in the forefront of the scientific magazines of the country. 
SAMUEL CARSON & CO. 
Publishers, Booksellers and Stationers, Wholesale and Retail, 
208 Post St., San Francisco. 
“Frank H. Lattin, of Albion, Orleans Co., N. Y.,a dealer in natural history specimens, 
instruments, supplies and publications of all kinds. Every A. A. Chapter should have a copy of 
his complete catalogue and price-lists before making purchases. His specimens are the very 
best, and his prices will be found to be much lower than those of any other reliable dealer.’” “~_' 
The above we copy from Three Kingdoms, the Hand-Book of the Agassiz Association.% Our 
readers would no doubt save money by complying with this advice. 
HAT HAVE YOU TO EXCHANGE for a Catarrh Remedy that never Fails? 
Address, Mrs. E. E. Yates, Sharon, Wisconsin. 
